Decrease
Increase
11/16” wrench
or socket
Power Adjustment Nut
Preparation for Fasteners
Standar
d
Door or
Frame
Fasteners
Drill-Sizes
Self Drilling Screw
Wood
3/16” (4.30 mm)
1/4” - 20
Machine Screw
Metal
Drill: #7 (0.201” dia.)
Tap: 1/4” - 20
Optional
Sleeve Nuts and
Bolts (SNB)
Hollow
Metal
9/32” (7 mm); through
3/8” (9.5 mm) on door
opposite to closer
Aluminum
or Wood
3/8” (9.5 mm) through
Template
Page 2
5 Holes for Soffit Plate
7/16
(11)
1/2
(13)
2-1/16
(52)
3/8
(10)
2-3/4
(70)
2
(51)
1-3/8
(35)
B
Left Hand Door Shown
Right Hand Installation is Opposite
C
L
Hinge or Pivot
6-3/4
(172)
4
(102)
4-3/4
(121)
5/16
(8)
Prepare These Holes Only When
No. 488/478 Drop Plate is Used
C
2-9/16
(65)
12-3/4
(324)
1-1/16
(27)
4 Holes for Closer
Wide Stop Frame
2-3/4
(70)
Min.
Soffit Plate
Narrow Stop Frame
2-3/4
(70)
Min.
1-1/8
(29)
5/8
(16)
Soffit Plate
293S Block
Do Not Scale Drawing
Left Hand Door Shown
Dimensions are in inches (mm).
Maximum Door Swing 180°,
conditions permitting.
NOTE: Maximum of 15 360° turns
of Power Adjustment Nut
Installation Sequence
• Use template above to locate holes on door and frame:
4 on door for closer or backplate.
5 on underside of frame stop for soffit plate.
• Prepare door and frame for fasteners using chart above.
Min.
2-3/8
(61)
A
Through-bolts &
grommet-nuts
All
9/32” (7 mm); through
3/8” (9.5 mm) dia x
3/8” (9.5mm) deep on
door opposite to closer
• For SCP4420 Models Only
Set closer power for door size using chart below:
Arm Stop
Arm Stop
85°
90°
95°
100°
105°
110°
Dim. A
Dim. B
10-1/8 (257)
9-1/4 (235)
8-5/8 (219)
7-7/8 (200)
7-3/8 (187)
6-3/4 (171)
Opening
10-5/8 (270)
9-3/4 (248)
9-1/8 (232)
8-3/8 (213)
7-7/8 (200)
7-1/4 (184)
Dim. C
9-7/8 (251)
9 (229.6)
8-3/8 (213)
7-5/8 (194)
7-1/8 (181)
6-1/2 (165)
Aluminum
or Metal
No drill required
Power Adjustment Chart
Door
Size
(mm)
inches
Full Clockwise Turns of Closer Power Adjustment Nut
SCP4420 ONLY
Interior
Door
Exterior
Door
28-32
(0.7 - 0.8)
33-36
(0.85 - 0.9)
37-42
(0.95 - 1.05)
42-48
(1.1 - 1.2)
Closer is shipped set at median power setting.
0
2
5
8
2
5
8
11
